US2681346A - Coloring matters of the tetra-aza-porphin series - Google Patents

Coloring matters of the tetra-aza-porphin series Download PDF

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Publication number
US2681346A
US2681346A US205432A US20543251A US2681346A US 2681346 A US2681346 A US 2681346A US 205432 A US205432 A US 205432A US 20543251 A US20543251 A US 20543251A US 2681346 A US2681346 A US 2681346A
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parts
metal
tetra
aza
dinitrile
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US205432A
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English (en)
Inventor
France Harold
Jones William Owen
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Imperial Chemical Industries Ltd
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Imperial Chemical Industries Ltd
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B47/00—Porphines; Azaporphines
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/52—Manual reset mechanisms which may be also used for manual release actuated by lever
    • H01H71/529—Manual reset mechanisms which may be also used for manual release actuated by lever comprising an electroresponsive element forming part of the transmission chain between handle and contact arm

Definitions

  • This invention relates to new colouring matters and more particularly to new colouring matters of the tetra-aza-porphin series.
  • Diphenylmaleic dinitrile is especially suitable for the preparation of a. tetra-aza-porphin because it is stable in the cis form and even at 300 0., there is no detectable conversion into the trans form, but the octaphenyl-tetra-aza porphins are dull greenish pigments of no commercial interest.
  • the metal and metal-free tetra-aza-porphins in which the pair of carbon atoms not attached to nitrogen in at least one and not more than three of the fundmental pyrrole nuclei forms part of an aromatic or quinonoid ring and the other carbon atoms not attached to nitrogen of the fundamental pyrrole nuclei carry hydrogen atoms, alkylor cycloalkyl radicals or substituted alkylor cycloalkyl-ra-dicals.
  • the fundamental pyrrole nuclei we mean the four pyrrole rings which are linked together through nitrogen atoms to form the tetra-azaporphin structure.
  • the corwherein Me represents a metal or, for the metalfree compound Me represents two atoms of hydrogen, the aromatic ring may be substituted and R1, R2, R3, R4, R5 and Rs may be hydrogen atoms or alkyl or cycloalkyl radicals or substituted alkyl or cycloalkyl radicals or either one or two of the pairs of substituents R1 and R2, R3 and R4, R5 and Rs may be joined together to form an aromatic or quinonoid ring.
  • the new colouring matters of our invention are reddish-blue to violet colouring matters of high tinctcrial strength and good fastness to light. They can be readily dispersed for more effective use by milling or grinding, for example by ball-milling the aqueous suspension or by milling with inorganic salts, or by dissolving in sulphuric acid and adding the acid solution to water or adding water to the acid solution.
  • the preferred metal compounds are those of chromium, manganese, iron, cobalt, nickel and copper, that is metals of atomic number between 24 and 29 both inclusive.
  • the compounds of the above formula wherein the metal is nickel are especially valuable for use as pigments, for example the nickel compound in which the pairs of carbon atoms not attached to nitrogen in two of the fundamental pyrrole nuclei form part of benzene rings and the carbon atoms not attached to nitrogen of the other two fundamental pyrrole nuclei carry methyl groups, is a valuable blue pigment of high fastness properties and high tinctorial strength.
  • the new compounds may be made by heating with a substance consisting of or containing a metal, a mixture of a phthalonitrile with maleic dinitrile and/or a maleic dinitrile carrying one or two alkyl or cycloalkyl or substituted alkyl or cycloalkyl radicals, and this forms a further feature of our invention.
  • the corresponding fumaric dinitrile may sometimes be used.
  • dimethylmaleic dinitrile (melting point 48 C.) and dimethyl fumaric dinitrile (melting point 81 C.) (which may both be obtained by dehydrating the cyanhydrin of u-methylacetoacetonitrile and separating the two isomers by fractional distillation r crystallisation) may both be used.
  • the substituted fumaric dinitrile is converted to the corresponding maleic dinitrile.
  • a mixture of the substituted fumaric and maleic dinitriles may be used.
  • the new metal tetra-aza-porphines which do not contain an unsubstituted fundamental pyrroie nucleus are however preferably made by heating with urea or a heat decomposition product thereof and a metal or metal compound, one or more functional derivatives of the appropriate acids.
  • a processfor the manufacture of new colouring matters which comprises heating with urea or a heat decomposition product thereof, and a substance consisting of or containing a metal, a mixture of a nuclear substituted and/or unsubstituted phthalic acid or functional derivative thereof with a maleic acid carrying one or two alkyl or cycloalkyl or substituted alkyl or cycloalkyl radicals or a functional derivative of the acid.
  • the metal to be used is preferably one with atomic number between 24 and 29 both inclusive, especially nickel.
  • the reaction may be carried out in the presence of a catalyst especially a small quantity of substance consisting of or containing molybdenum or Wolfram, for example ammonium molybdate or sodium wolframate, and this forms a preferred feature of our invention.
  • a catalyst especially a small quantity of substance consisting of or containing molybdenum or Wolfram, for example ammonium molybdate or sodium wolframate, and this forms a preferred feature of our invention.
  • reaction is conveniently brought about by heating the reagents together in a medium which is liquid at the temperature of the reaction mixture and this forms a further feature of our invention.
  • Suitable media are for example nitrobenzene,
  • oxides or salts for example cobalt chloride, nickel chloride, chromium chloride, ferrous chloride, manganese chloride, cuprous chloride and. cupric chloride.
  • the acid used in the process or functional derivative thereof may if desired be formed in situ in the reaction mixture.
  • functional derivatives of the acids there may be used the corresponding amide, imide, ammonium salt or dinitrile or there may be used the mononitrile derived from the dibasic acid or the corresponding amide, ammonium salt or ester thereof.
  • the anhydrides of the acids for example there may be used a mixture of phthalic anhydride and dimethylmaleic anhydride.
  • the reaction is generally found to proceed satisfactorily by heating the reagents together for several hours at temperatures as low as 150" C.
  • the liquid medium may then be removed by distillation (in steam or under reduced pressure if desired) and the reaction product may be extracted with aqueous acid and/or alkali, washed and dried.
  • the products may be further purified by crystallisation from a suitable solvent, for example dichlorobenzene.
  • the new compounds of our invention may sometimes conveniently be made by heating with the metal or metal compound the corresponding metal-free pigment, which itself may be made by heating phthalonitrile and maleic dinitrile and/ or substituted maleic dinitrile with sodium in amyl alcohol and demetallising the product with methanol.
  • Example 1 A mixture of 2.52 parts of dimethylmaleic anhydride, 2.96 parts of phthalic anhydride, 24 parts of urea, 2 parts of anhydrous nickel chloride, 0.8 part of ammonium molybdate and 25 parts of nitrobenzene is stirred at about C. for 4 hours. parts of 5% hydrochloric acid are added and the mixture is steam-distilled'to remove nitrobenzene. The insoluble product is filtered off and washed free from acid. It is then stirred with 150 parts of 2% caustic soda solu- The undissolved material is filtered off, Washed free from alkali and dried. The resulting dark blue, bronzy powder may be further purified by crystalling it from a high boiling solvent, for example o-dichlorobenzene.
  • Example 2 In place of the 2 parts of nickel chloride used in Example 1 there are used 2 .68 parts of cobaltous chloride hexahydrate.
  • Example 3 In place of the 2.52 parts of dimethylmaleic anhydride and 2.96 parts of phthalic anhydride used in Example 1, there are used 1.26 parts of dimethylmaleic anhydride and 4.44. parts of phthalic anhydride.
  • Example 4 In place of the 2.52 parts of dimethylmaleic anhydride and 2.96 parts of phthalic anhydride used in Example 1, there are used 3.78 parts of di methylmaleic anhydride and 1.48 parts of phthalic anhydride.
  • Example 6 In place of the 2.52 parts of dimethylamelic anhydride, 2.96 parts of phthalic anhydride and 2 parts of nickel chloride used in Example 1, there are used 3.78 parts of dimethylmaleic anhydride, 1.48 parts of phthalic anhydride and 2.68 parts of cobaltous chloride hexahydrate.
  • Example 7 In place of the 2 parts of nickel chloride used in Example 1, there are used 1.6 parts of cuprous chloride or a mixture of 2.2 parts of cuprous bromide and 1.3 parts of cuprous cyanide.
  • Example 8 1.89 parts of dimethylmaleic anhydride, 1.92 parts of phthalonitrile, 18 parts of urea, 1.5 parts of anhydrous nickel chloride, 0.6 part of ammonium molybdate and 20 parts of nitrobenzene are stirred together at about 145 C. for 4 hours. The reaction mixture is worked up and the pigment is isolated as described in Example 1.
  • Example 9 0.53 part of dimethylmaleic dinitrile, 0.64 part oi. phthalonitrile, parts of urea, 0.5 part of nickel chloride, 0.1 part of ammonium molybdate and 7 parts of nitrobenzene are stirred together at about 150 C. for 4 hours. The reaction product is worked up and the pigment is isolated as described in Example 1.
  • the dimethylmaleic dinitrile may be replaced by climethylfumaric dinitrile.
  • the reaction may be effected in the absence of nitrobenzene at 200 C. under pressure.
  • Example 10 1.25 parts of dimethylmaleic imide, 1.47 parts of phthalimide, 12.0 parts of urea, 1 part of anhydrous nickel chloride, 0.2 part of ammonium molybdate and 18 parts of nitrobenzene are stirred together at about 135 C. for 4 hours. The re action product is worked up and the product is isolated as described in Example 1.
  • Me is selected from the group consisting of a pair of hydrogen atoms and a metal having an atomic number of from 24 to 29, both inclusive; wherein X represents the atoms necessary to complete a monocyclic aryl radical; and wherein, of the radicals R1 to Rs, from 0 to 2 of the pairs of these radicals which are attached to adjacent carbon atoms on the same ring are joined together to form a cyclic ring selected ill 6 from the group consisting of monocyclic arylene and quinonoid, the remainder of the radicals R1-Rs being radicals selected from the group consisting of hydrogen, lower alkyl and cycloalkyl. 2.
  • a process for the manufacture of the coloring matters described in claim 1, which comprises heating at a temperature of at least C. and with metallic substance in which the metal is one having an atomic number or" from 24 to 29 both inclusive, a mixture comprising a phthalonitrile and at least one dinitrile selected from the group consisting of maleic dinitrile, monoand di-alkyl, maleic and fumaric dinitriles and monoand di-cycloalkyl maleic and fumaric dinitriles.
  • a process for the manufacture of coloring matters which comprises heating at a tempera ture of at least 130 C), a metal-free tetra-azaporphin derivative described in claim 1 with a metallic substance in which the metal is one having an atomic number of from 24 to 29, both inclusive.
  • said metallic substance is selected from the group consisting of metals, metal oxides and metal salts.
  • a process for the manufacture of coloring matters which comprises heating at a temperature of at least 130 C. and with a urea and a metallic substance in which the metal is one having an atomic number of from 24 to 29, both inclusive, a mixture comprising a compound selected from the group consisting of phthalic acid, its anhydride, amide, imide, ammonium salts and nitriles, and a compound selected from the group consisting of the monoand di-alkyl and cycloalkyl substituted maleic acids and the anhydrides, amides, imides, ammonium salts and hi triles of said maleic acids.
  • reaction mixture contains a small quantity of a substance comprised of a member selected from the group consisting of molybdenum and Wolfram.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Lubricants (AREA)
US205432A 1950-01-12 1951-01-10 Coloring matters of the tetra-aza-porphin series Expired - Lifetime US2681346A (en)

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GB291817X 1950-01-12

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US (1) US2681346A (en, 2012)
CH (6) CH296548A (en, 2012)
DE (1) DE908288C (en, 2012)
FR (1) FR1031834A (en, 2012)
GB (1) GB688768A (en, 2012)
NL (1) NL93301C (en, 2012)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2850505A (en) * 1955-02-14 1958-09-02 American Cyanamid Co Tetraphenyltetrazaporphins
US2951799A (en) * 1957-11-13 1960-09-06 Monsanto Chemicals Photoxidation processes using heterocyclic photosensitizers
US6824712B1 (en) * 1999-08-04 2004-11-30 Skc Co. Ltd. Selectively light-absorptive material, coating composition containing the same, and filter manufactured using the coating composition for color displays

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE534705A (en, 2012) * 1954-01-07
DE1125100B (de) * 1955-08-02 1962-03-08 Siegle & Co Ges Mit Beschraenk Verfahren zur Herstellung von stabilen Metallphthalocyaninen
DE1202419B (de) * 1960-02-26 1965-10-07 Ciba Geigy Verfahren zur Herstellung von Kupferphthalocyaninen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2850505A (en) * 1955-02-14 1958-09-02 American Cyanamid Co Tetraphenyltetrazaporphins
US2951799A (en) * 1957-11-13 1960-09-06 Monsanto Chemicals Photoxidation processes using heterocyclic photosensitizers
US6824712B1 (en) * 1999-08-04 2004-11-30 Skc Co. Ltd. Selectively light-absorptive material, coating composition containing the same, and filter manufactured using the coating composition for color displays

Also Published As

Publication number Publication date
CH296551A (de) 1954-02-15
NL93301C (en, 2012)
CH291817A (de) 1953-07-15
DE908288C (de) 1954-04-05
CH296548A (de) 1954-02-15
CH296549A (de) 1954-02-15
GB688768A (en) 1953-03-11
FR1031834A (fr) 1953-06-26
CH296550A (de) 1954-02-15
CH296547A (de) 1954-02-15

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